Bandwidth in computing is a measure of how much data can be transferred over a medium in a given amount of time, mostly shown as MBit/s or GBit/s. It is the primary way of classifying the speed of computer networks or data buses.

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Low bandwidth only on Windows XP

Hi I own really old PC and I've 10Mbps/1Mbps Plan. Internet is distibuted with router over whole house. The old PC uses 802.11b (up to 11Mbit/s download) Wifi card and has Windows XP+SP3 installed. ...
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899 views

Linux - Network Traffic Priority by IP

I'm using Ubuntu 12.10 and looking for a way to shape network traffic based on the IP address. I have a LAN, lets say from 192.168.1.2 - 192.168.1.254. The server is at 192.168.1.1. All IPs should ...
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Method for testing bandwidth/speed between two set points

I often work from home and wanted to see how good the connection was between the two points. I can speed test both locations of course, but that isn't necessarily representative of the actual ...
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1answer
60 views

How can I see which programs/users are talking to which network addresses and how much ? (Unix/Ubuntu) [duplicate]

Possible Duplicate: Is there a way to find out what application using most of bandwidth in Linux? I'm interested in which programs are using my network connection and how much. I wondered ...
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2k views

Finding the memory bandwidth of each core of my processor

Hi I am learning PETSc (a software for solving PDES' numerically in parallel) and I came this passage in the FAQ High per-CPU memory performance is required. Each CPU (core in multi-core systems) ...
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441 views

how to troubleshoot asymmetric speed PPTP VPN speed? (downlink to client is slow, the server bandwidth up, and there is no encryption overhead)

I hope I have a general question motivated by my specific problem: I have acceptable upload speeds and unacceptable download speeds on my VPN while I think both endpoints have quite some bandwidth in ...
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1answer
225 views

Why does one person downloading kill the internet for the rest of the house?

We have 25 megs on the downstream and 2 megs on the upstream. When doing a speed test without anyone downloading (from Usenet, for example), we get the full download and upload. However, if one ...
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1answer
1k views

Wifi monitor bandwidth by IP address

Is there a way to monitor the bandwidth being used by each IP address in my network? I'm using an apple time capsule router.
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2answers
483 views

Extended bandwidth test

I need to document the quality of an internet connection (it's crap). Download speeds frequently jump between 12kbps and 3mbps, and packet loss usually sits around 20%, though blackouts lasting up to ...
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0answers
83 views

scheduling various things and balancing bandwidth while using torrent and uploading

I have approximately 200 files to be downloaded via BitTorrent, these files can be from 200mb to 4.8 GB on the same time I want to take backup of some already existing pdfs in my home directory, ...
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1answer
217 views

Bandwidth usage on MRTG ppp-channel

I have a Billion 7401 VGP router connected to a commercial ISP (ADSL). I have configured a Linux machine to connect via MRTG regularly to collect statistics on the line. I noticed the following ...
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1answer
716 views

Application-priority based automatic bandwidth distribution in Windows?

Whenever my browser wants to download data, I want it to be granted as much of the bandwidth as it wants, while other applications must do with the leftover bandwidth; and when the browser is not ...
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1answer
3k views

Internet via tethering: How to limit PC internet usage? [duplicate]

Occasionally, I need to tether my android phone to my laptop to get internet. I have very little mobile internet (500MB /month) and it can disappear very quickly. I need a few tips on how to use force ...
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1answer
1k views

Does AdBlock Plus use internet bandwidth?

Lately I noticed that after installing the Chrome extension AdBlock Plus, my internet bandwidth was used more than ever before. Does AdBlock Plus use your internet, anonymously? I'm a little ...
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1answer
406 views

Reducing bandwidth usage on chrome by limiting images downloading

I can disable Chrome image loading in Settings > Privacy > Content settings > Images > Do not show any images. Or in Firefox in Options > Content > Load images automatically. I'm looking for an ...
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1answer
114 views

What capabilities to look for a wifi router to avoid clogging?

I am looking for a new wireless router that should automatically distribute available bandwidth to all users connected (up to 10 via wifi), particularly avoiding situations where some (one) user sucks ...
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1answer
856 views

Bandwidth of PCI SATA card VS built-in SATA

I have an older HP DL 380 G4 server that I want to utilize as a NAS. Currently it has 6 Hot Swap drives coming in at a measly 36.4 GB each – not exactly a ton of space. It does have a PCI slot ...
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2answers
314 views

Tackling bandwidth optimization (possibly) through R-Sync

I am currently looking for solutions that can optimize network bandwidth usage. Scenario: Server has a file. Client downloads it through a REST API. Client makes some changes and uploads the changed ...
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2k views

Attempting to find where my internet data is being used. Does this seem right?

Google chrome Extensions Used: Adblock Plus IDM Integrated LastPass Neater Bookmarks Pocket I use a monitoring software called "NetWorx" to check the overall internet data usage. I also use ...
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1answer
279 views

How to get download and upload bandwidth from Linux via shell?

I'd like to write a shell (bash) script that prints the system's download and/or upload capacities (in Kbps): # Get download bandwidth sh fetch-bandwidth.sh DOWNLOAD > 556 Kbps download bandwidth ...
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1answer
220 views

How to tell trickled to restore bandwidth to 100%?

I've been reading up on trickled which can be used to throttle both upload and download bandwidth: # Throttle download and upload bandwidths to 100KB. trickled -d 100 -u 100 But none of the ...
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1answer
126 views

Measure the overall network usage

Can anyone please tell me how can I measure the network data. For example, my office wifi is used by me and 5 of my employees. Can I check the amount of data being downloaded from individual PC? ...
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1answer
348 views

Using two Internet connections at the same time

Recently I got a second Internet connection. Each connection has 50mpbs capacity. One of them is directly connected to my laptop via PPPoE (with username and password); the second one is Wi-Fi from ...
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1answer
279 views

Netflix or Hulu maxing out bandwidth at Airport? [closed]

I work at a smaller international airport and recently the airport authorities are claiming that the network bandwidth is being maxed out due to employees (no more than say 7 personal computers at any ...
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81 views

to measure throughput of testing device connect to server via AP

Description of project-> I have a test tool to which DUT connects. The test tool has an access point in it and once DUT get connected to it via mac address we check RSSI and some other features ...
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383 views

Strange speed jumps when downloading a torrent file

I've been experiencing strange download behavior in a torrent manager on archlinux. Whenever I try to download a torrent my speed starts dropping and getting back to the same level again and again. ...
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1answer
972 views

Splitting an internet connection between multiple separate subnetworks

Problem I have an internet connection that I want to split between four separate networks. My requirements are: I need to be able to monitor the amount of bandwidth and data being used by each ...
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711 views

Windows 8 network speed capped at 10mbit

I have a Linux-based file server at home which I access from my Windows machine through SMB. I have been running Windows 8 Consumer Preview for ~6 months straight without any issues. I've recently ...
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1answer
368 views

Rule of thumb for TCP upstream bandwith requirement

In TCP, the recevier every now and then acknowledges the receipt of sent packages. Therefore to achieve a specific downstream bandwidth there is always a minimum upstream bandwidth required. What I'm ...
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1answer
830 views

vpn bandwidth limitations [closed]

I have an ISP that provide me with internet access but they limited my bandwidth 512 KB/S and I saw some ADS about VPN like Hide My Ass and they provide you with Unlimited data transfer will I get ...
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1answer
136 views

Why is there a huge difference between bandwidth and download speed? [closed]

I'm using a broadband connection of bandwidth 1Mbps(the online speed check confirms this). But the download speed doesn't exceed 110kbps. Now, when I'm talking of kbps, I'm talking of kbps ...
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1answer
134 views

Are there any command line utilities which can calculate and/or limit how fast a pipe is running?

I'm doing some basic stress testing of a Linux kernel network IWF with netcat. The set-up is fairly simple. On the target side: nc -l -p 10000 > /dev/null And on my desktop I was running: cat ...
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1answer
1k views

How to control the bandwidth that can be used by other people connecting to wifi?

i searched for softwares that i could use and found the p2pover, but i think it only detects lan computers not the wireless. My relatives who uses the wifi causes the speed to become slow and i think ...
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3answers
643 views

How can I find out who causes µTorrent / Bittorrent traffic on my WiFi network?

I am currently using a Linksys wrt54g wireless router along with a ARRIS CM550A Cable Modem that provides 12 MB/s download speed and upload speed of 1 MB/s. The Internet connection is functioning ...
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2answers
84 views

Do different DSL bandwidth speeds require different setup?

I'm shopping around for internet access and the service provider that I'm interested in has several speed options for DSL. The lower speed options (1.5Mbps, 7Mbps) offer self-installation, but the ...
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1answer
4k views

How can I determine the minimum theoretical internet speed needed for smooth streaming in each Youtube video quality?

How can I determine the minimum constant internet bandwidth that is theoretically needed for smooth streaming in each video quality levels for Youtube: 480p, 720p and 1080p?
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4answers
2k views

Why is iTunes using so much data?

I've been told by my ISP I'm using too much bandwidth so after using Activity Monitor to see that I'm using ~2GB a day I've used the nettop command line utility to work out where. Turns out it's ...
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2answers
665 views

Does image block (firefox addon) save internet bandwidth usage?

Does image block save internet bandwidth usage? I have a data capped plan from my ISP ( 5GB at 2mbps and thereafter 256 kbps / pm). I doubt if the addon or other similar addon actually saves ...
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1answer
3k views

Bandwidth Monitoring for Linksys E4200

I have a Linksys E4200 router with about 10 computers connecting to it. I'm looking for a way to monitor bandwidth usage in real time. I am willing to install custom firmware if it can get the job ...
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3answers
816 views

How can I selectively increase latency? E.g. throttle games

Basically, I want networked games to run poorly on a network, but I want everything else to run smoothly. I would also appreciate advice on blocking games in general. As far as I can tell, there's a ...
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0answers
113 views

Is download speed in linux greater than in windows, even in a vm? really?

Weird! Any explanation? Is it due to some QoS related bandwidth reservation?
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1answer
102 views

Theoretical and Operational bandwidth of different network technologies [closed]

There are so many webpages where these information can be found. Unfortunately, there are so much differences among them that it is really confusing. I need a reliable source(s) where I can find ...
2
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1answer
2k views

How to Monitor visited Websites on Thomson 585 v7

My home WiFi is being used by many devices, and they are taking all bandwidth, I wanna know which sites they are using, so I can block those sites in Parental control. In the web interface there's no ...
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1answer
1k views

How to control bandwidth in Firefox?

I share my internet connection, which is very slow, with two friends. When one of us tries to watch a video or download something, he usually "eats up" all the bandwidth. All of us use Firefox and ...
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2answers
11k views

Is there a free (local) network bandwidth limiter software? [closed]

I want to be able to limit the global Download and Upload speed of my computer so that I won't be using "all" the bandwidth from my router, especially since there are other residents using it. What ...
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2answers
759 views

Tracking Wireless Network Usage

How do you determine the overall bandwidth usage for each computer connected to a wireless network? I manage a small wireless network consisting of a couple of cheap Cisco/Linksys wifi routers. ...
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1answer
299 views

What wireless networking devices support throttling based on data usage rate? [closed]

We regularly host a number of students for a LAMP workshop that goes for about six weeks. During class time, there usually aren't problems with network traffic. It has been the case, though, that they ...
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3answers
705 views

Windows 7 File Downloads Consume All Network Bandwidth

I have a problem diagnosing a bandwidth with a Windows 7 PC on my home network. The PC has both a wired connection to the router as well as a wireless connection. When downloading files, all other ...
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1answer
1k views

How to Throttle WiFi Connection [duplicate]

Possible Duplicate: How to slow down my WiFi speed in Thomson Speedtouch I have a Thomson TG585 V7. Many computers and smartphones are connected to my modem, and my Internet is limited, I ...
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2answers
941 views

Find Linux Total Bandwidth in One Line

Is there a command to find the total bandwidth used by a Linux box since startup, that returns one line? The reason I'm asking is I'd like to call this shell not using a terminal and output the ...